Discover how tail risk impacts portfolios, why rare financial events matter, and strategies for safeguarding investments against significant, unexpected losses.

Over the last 15 years, the best 2.3% of S&P days provide returns equal to all 15 years’ returns; the worst 2.3% of days give back 2.1 times that. If you could eliminate the worst days while ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...

The well known acceptance/rejection algorithm for generating random values on a computer is specialized for distribution tails. Using an exponential majorizing function and a linear minorizing ...